Analysis

  • max time kernel
    96s
  • max time network
    99s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29/09/2021, 10:17

General

  • Target
    3c76e12084f57410323212b79c24a4ad.exe
  • Size 7.2MB
  • Sample210929-mbcs1sefgn
  • SHA256 42e369c8a08e42bb7ca81f3b4598b1352766fd602c32adc21cd5f1afab85f7f3
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • suricata: ET MALWARE Amadey CnC Check-In

    suricata: ET MALWARE Amadey CnC Check-In

  • Executes dropped EXE 1 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 13 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 13 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c76e12084f57410323212b79c24a4ad.exe
    "C:\Users\Admin\AppData\Local\Temp\3c76e12084f57410323212b79c24a4ad.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\DB Software Laboratory\Svn Syncronize Management 1.7.3.2\install\97C955F\adv.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\3c76e12084f57410323212b79c24a4ad.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1632917739 " AI_EUIMSI=""
      2⤵
      • Enumerates connected drives
      • Suspicious use of FindShellTrayWindow
      PID:2188
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 05D17D7552C707C8EEDFBEB529122C77 C
      2⤵
      • Loads dropped DLL
      PID:1652
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding AF9043600EAAEC02D6208CCCCBCD4293
      2⤵
      • Loads dropped DLL
      PID:2760
    • C:\Users\Admin\AppData\Roaming\DB Software Laboratory\Svn Syncronize Management\disksyncer.exe
      "C:\Users\Admin\AppData\Roaming\DB Software Laboratory\Svn Syncronize Management\disksyncer.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Loads dropped DLL
      PID:500

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads